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Two first thing is to set a range of radius (the same for you) and a number of points.
The idea is not to put too big circle/sphere at the begining there must be room for the growth so the multiplier MUST be at a low level 0.1 0.2 … Then increase the slider. Don’t forget to set to true the toggle.
You will see circles growing. When you are happy set toggle to false
I also put a Lloyd relaxation. Here also you have to try. It could be optimized, not moving exterior points for example …
There are many parameters. To see Lloyd look here, it is a bit like you problem, but not following curves.
